“He pieced together a colorful branching array of test tubes and Erlenmeyer flasks, and a few antique chemical stock bottles, filled them with various salt and mineral solutions, and then stacked them on a stand of porcelain rings. After encircling the base with a wintry-white towel, he placed a few glistening rock "presents" under the tree and surrounded them with Bunsen burner "candles." “